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Ulangan Harian Stoikiometri

Authored by Rika Fitariyanti

Chemistry

1st Grade

Used 15+ times

Ulangan Harian Stoikiometri
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalam 100 gram senyawa terdapat 40% kalsium, 12% karbon, dan 48% oksigen. Jika Ar Ca = 40, C = 12, dan O = 16, maka rumus empiris senyawa tersebut adalah ...

CaCO

CaCO2

CaCO3

Ca2CO3

CaCO2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bila massa gas CO2 adalah 11 gram, maka volume gas CO2 pada keadaan STP adalah.... (Ar C = 12, O = 16)

5,6 liter

0,25 liter

1 liter

1,12 liter

4 liter

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mol dari 4,6 gram logam Natrium (Ar Na = 23) adalah ....          

0,1

0,2

0,3

0,4

0,5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa jumlah mol 44,8 L gas oksigen yang diukur pada keadaan standar (STP)?

2 mol

3 mol

4 mol

6 mol

12 mol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Garam dengan rumus senyawa NaCl memiliki massa 585 gram. Jika Ar Na = 23 dan Ar Cl = 35,5, maka jumlah mol NaCl sebesar...

5 mol

10 mol

12 mol

15 mol

1 mol

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa massa molekul relatif (Mr) dari C2H5OH? Ar C= 12, O= 16, H= 1

45

46

29

36

16

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Nilai dari tetapan avogadro adalah..

6,02 x 10^23

60,2 x 10^23

6,02 x 10^22

60,2 x 10^22

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